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amap_location_fluttify

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yangjie
2024-11-17 15:42:58 +08:00
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import 'package:amap_location_fluttify/amap_location_fluttify.dart';
import 'package:flutter/material.dart';
import 'package:permission_handler/permission_handler.dart';
void main() async {
WidgetsFlutterBinding.ensureInitialized();
await AmapLocation.instance.updatePrivacyShow(true);
await AmapLocation.instance.updatePrivacyAgree(true);
await AmapLocation.instance.init(iosKey: 'f6422eadda731fb0d9ffb3260a5cf899');
runApp(MyApp());
}
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
Location? _location;
String? _fenceStatus;
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(title: const Text('Plugin example app')),
body: Padding(
padding: EdgeInsets.symmetric(horizontal: 16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
ElevatedButton(
onPressed: () async {
if (await requestPermission()) {
final location =
await AmapLocation.instance.fetchLocation();
setState(() => _location = location);
}
},
child: Text('获取单次定位'),
),
ElevatedButton(
onPressed: () async {
if (await requestPermission()) {
await AmapLocation.instance.enableBackgroundLocation(
10,
BackgroundNotification(
contentTitle: 'contentTitle',
channelId: 'channelId',
contentText: 'contentText',
channelName: 'channelName',
),
);
AmapLocation.instance
.listenLocation()
.listen((event) => setState(() => _location = event));
}
},
child: Text('获取连续定位'),
),
ElevatedButton(
onPressed: () async {
if (await requestPermission()) {
await AmapLocation.instance.stopLocation();
setState(() => _location = null);
}
},
child: Text('停止定位'),
),
ElevatedButton(
onPressed: () async {
if (await requestPermission()) {
AmapLocation.instance
.addCircleGeoFence(
center: LatLng(29, 119),
radius: 1000,
customId: 'testid',
)
.listen((event) {
setState(() {
_fenceStatus =
'状态: ${event.status}, 围栏id: ${event.fenceId}, 自定义id: ${event.customId}';
});
});
}
},
child: Text('添加圆形围栏'),
),
ElevatedButton(
onPressed: () async {
if (await requestPermission()) {
AmapLocation.instance.addPolygonGeoFence(
pointList: <LatLng>[
LatLng(29.255201, 119.353437),
LatLng(28.974455, 119.508619),
LatLng(29.172496, 119.560804),
LatLng(29.306707, 119.422101),
],
customId: 'testid',
).listen((event) {
setState(() {
_fenceStatus =
'状态: ${event.status}, 围栏id: ${event.fenceId}, 自定义id: ${event.customId}';
});
});
}
},
child: Text('添加多边形围栏'),
),
ElevatedButton(
onPressed: () async {
if (await requestPermission()) {
AmapLocation.instance
.addPoiGeoFence(
keyword: '肯德基',
customId: 'testid',
city: '兰溪',
aroundRadius: 10000,
)
.listen((event) {
setState(() {
_fenceStatus =
'状态: ${event.status}, 围栏id: ${event.fenceId}, 自定义id: ${event.customId}';
});
});
}
},
child: Text('添加poi围栏'),
),
ElevatedButton(
onPressed: () async {
if (await requestPermission()) {
AmapLocation.instance
.addDistrictGeoFence(keyword: '兰溪')
.listen((event) {
setState(() {
_fenceStatus =
'状态: ${event.status}, 围栏id: ${event.fenceId}, 自定义id: ${event.customId}';
});
});
}
},
child: Text('添加行政区划围栏'),
),
ElevatedButton(
onPressed: () {
AmapLocation.instance.dispose();
},
child: Text('释放资源'),
),
Expanded(
child: SingleChildScrollView(
child: Column(
children: [
if (_location != null)
Center(
child: Text(
_location.toString(),
textAlign: TextAlign.center,
),
),
if (_fenceStatus != null)
Center(
child: Text(
_fenceStatus.toString(),
textAlign: TextAlign.center,
),
),
],
),
),
),
],
),
),
),
);
}
}
Future<bool> requestPermission() async {
final permissions = await Permission.locationWhenInUse.request();
if (permissions.isGranted) {
return true;
} else {
debugPrint('需要定位权限!');
return false;
}
}